Central control unit for an alarm system



FIG. 1 is a front elevation view of a central control unit for an alarmsystem showing our new design;

FIG. 2 is a right side elevation view thereof, the left side being amirror image;

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a front perspective view thereof.

The ornamental design for a central control unit for an alarm system, asshown and described.